import VueI18n from 'vue-i18n'
import Vue from 'vue'
import elementEnLocale from 'element-ui/lib/locale/lang/en' // element-ui lang
import elementZhLocale from 'element-ui/lib/locale/lang/zh-CN' // element-ui lang

import enLocale from './en'
import zhLocale from './zh'
Vue.use(VueI18n)
const messages = {
  en: {
    ...enLocale,
    ...elementEnLocale
  },
  zh: {
    ...zhLocale,
    ...elementZhLocale
  }
}

const getLanguage = () => {
  // if has not choose language
  const language = navigator.language || navigator.browserLanguage
  const langCode = language.indexOf('zh') !== -1 ? 'zh' : 'en'
  localStorage.setItem('lang', langCode)
  return langCode
}
const i18n = new VueI18n({
  // set locale
  // options: en | zh | es
  locale: getLanguage() || 'zh',
  // set locale messages
  messages
})
export default i18n
